isthmus
/ˈɪsməs/noun
(pl. isthmuses)
1- a narrow strip of land with sea on either side, forming a link between two larger areas of land地峡。
1.1
- (pl. isthmi /-maɪ/) Anatomy a narrow organ, passage, or piece of tissue connecting two larger parts【剖】峡部, 器官峡, 管峡。
词源
mid 16th cent.: via Latin from Greek isthmos.